The Morning Brew: CTE found in 90 percent of brains donated by football players

It's Wednesday. Here are a few headlines to get your day started:

CTE found in 90 percent of brains donated by football players

Research on 202 former football players found evidence of debilitating brain disease in nearly all of them, according to ESPN.

It's the largest update on chronic traumatic encephalopathy, or CTE, a debilitating brain disease that can cause a range of symptoms including memory loss.

The report doesn't confirm that the condition is common in all football players; it reflects high occurrence in samples at a Boston brain bank that studies CTE. Many donors or their families contributed because of the players' repeated concussions and troubling symptoms before they died.

#ICYMI

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It's hot outside! Know the signs of heat exhaustion and heat stroke and exercise heat safety. #okwx pic.twitter.com/Wlvp3O4dwS

— NWS Norman (@NWSNorman) July 25, 2017